Class 1 – Critical Data:
Data that grants or resets access to your accounts, money, identity, or devices.

Class 2 – Mid-Level Data:
Data that strengthens an attacker’s ability to impersonate you or target you.

Class 3 – Public Data:
Data that’s already visible or non-sensitive, used mainly for profiling.

Catastrophic account takeover- A catastrophic account takeover is the nightmare scenario. Hackers have accessed your main account with the savings you rely on to live/retire/survive.